问题
I am using Fragment for the designing of the Firebase simple login registration.
I get error in the OnCreateView() method on initializing
auth = FirebaseAuth.getInstance();
error:- Error:(58, 28) error: cannot access zzaja class file for com.google.android.gms.internal.zzaja not found please help source:- http://www.androidhive.info/2016/06/android-getting-started-firebase-simple-login-registration-auth/
回答1:
I solved this exact problem today and stumbled onto this unanswered question by chance during the process.
First, ensure you've properly setup Firebase for Android as documented here: https://firebase.google.com/docs/android/setup. Then, make sure you are compiling the latest version of the Firebase APIs (9.2.0) and the Google Play Services APIs (9.2.0) that you are using. My gradle dependencies look something like this:
dependencies {
...
compile 'com.google.android.gms:play-services-location:9.2.0'
compile 'com.google.firebase:firebase-core:9.2.0'
compile 'com.google.firebase:firebase-auth:9.2.0'
compile 'com.google.firebase:firebase-messaging:9.2.0'
}
Hope this helps!
回答2:
I had such a similar error when i was recently upgrading my play service dependency. It seems to occur when you leave out updating the firebase dependencies that correspond to the version of play services you use. I beleive this is the most recent update of these dependencies
Here is what the two versions of my dependencies were:
Error version of dependencies
compile 'com.google.firebase:firebase-appindexing:10.0.1'
compile 'com.google.android.gms:play-services-maps:10.0.1'
compile 'com.google.android.gms:play-services-places:10.0.1'
compile 'com.google.android.gms:play-services-location:10.0.1'
compile 'com.google.firebase:firebase-auth:9.8.0'
compile 'com.google.firebase:firebase-database:9.8.0'
compile 'com.firebaseui:firebase-ui-database:1.0.1'
compile 'com.google.firebase:firebase-storage:9.8.0'
Working version of dependencies ``
compile 'com.google.firebase:firebase-appindexing:10.0.1'
compile 'com.google.android.gms:play-services-maps:10.0.1'
compile 'com.google.android.gms:play-services-places:10.0.1'
compile 'com.google.android.gms:play-services-location:10.0.1'
compile 'com.google.firebase:firebase-auth:10.0.0'
compile 'com.google.firebase:firebase-database:10.0.0'
compile 'com.firebaseui:firebase-ui-database:1.0.1'
compile 'com.google.firebase:firebase-storage:10.0.0'
`` Google seems to move play service updates along with firebase updates these days. Hopes this saves a few souls out there.
回答3:
If you use different version of play services libraries, you will get this error.
For example, below entries in build.gradle file cause the error as versions are different.
implementation 'com.google.android.gms:play-services-maps:11.4.2'
implementation 'com.google.android.gms:play-services-location:11.6.0'
To fix the issue use same versions.
implementation 'com.google.android.gms:play-services-maps:11.6.0'
implementation 'com.google.android.gms:play-services-location:11.6.0'
回答4:
All your firebase version should be with same Version whatever it
like this
compile 'com.google.firebase:firebase-core:9.0.0'
compile 'com.google.firebase:firebase-database:9.0.0'
compile 'com.google.firebase:firebase-auth:9.0.0'
compile 'com.google.firebase:firebase-messaging:9.0.0'
回答5:
If you are using more than one libraries of firebase then make sure that the version are same.
Before:
compile 'com.google.firebase:firebase-database:9.2.0'
compile 'com.google.firebase:firebase-storage:9.2.0'
compile 'com.firebaseui:firebase-ui-database:0.4.0'
compile 'com.squareup.picasso:picasso:2.5.2'
compile 'com.google.firebase:firebase-auth:9.0.2'
After: compile 'com.google.firebase:firebase-database:9.2.0'
compile 'com.google.firebase:firebase-storage:9.2.0'
compile 'com.firebaseui:firebase-ui-database:0.4.0'
compile 'com.squareup.picasso:picasso:2.5.2'
compile 'com.google.firebase:firebase-auth:9.2.0'
in my case i have used auth with 9.0.2 .So i changed to 9.2.0
回答6:
Well, the short answer is: update your library version. Android studio will tell you that there is a new version of it with a message like:
A newer version of com.google.firebase:firebase-core than 14.0.4 is available: 16.0.4
Just move to that line, press Alt + Enter and select Change to X.X where X.X is the newer version.
This way, you can update all your libraries. Repeat the process with all the libraries and you are done.
回答7:
I solved the problem in june of 2017 changing the play-services versions for the latest firebase versions (9.6.1). When I used the latest play-services version (10.2.4) I got that error. The code in the gradle looks like this:
Before
compile 'com.google.android.gms:play-services-maps:10.2.4'
compile 'com.google.android.gms:play-services-places:10.2.4'
compile 'com.google.firebase:firebase-core:9.6.1'
compile 'com.google.firebase:firebase-auth:9.6.1'
After
compile 'com.google.android.gms:play-services-maps:9.6.1'
compile 'com.google.android.gms:play-services-places:9.6.1'
compile 'com.google.firebase:firebase-core:9.6.1'
compile 'com.google.firebase:firebase-auth:9.6.1'
回答8:
play services, firebase, gradle plugin latest version combination that worked for me.
try app module build.gradle
android {
compileSdkVersion 27
buildToolsVersion '27.0.3'
defaultConfig {
applicationId "my package name"
minSdkVersion 16
targetSdkVersion 27
versionCode 1
versionName "1.0"
multiDexEnabled true
publishNonDefault true
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
} }
dependencies {
implementation 'com.google.android.gms:play-services-location:15.0.1'
implementation 'com.google.android.gms:play-services-maps:15.0.1'
implementation 'com.google.android.gms:play-services-vision:15.0.2'
implementation 'com.google.android.gms:play-services-analytics:16.0.1'
implementation 'com.google.firebase:firebase-core:16.0.1'
implementation 'com.google.firebase:firebase-iid:17.0.0'
implementation 'com.google.firebase:firebase-messaging:17.3.0'
implementation 'com.google.firebase:firebase-crash:16.0.1'
}
apply plugin: 'com.google.gms.google-services'
And project level build.gradle like this
buildscript {
repositories {
maven { url 'https://maven.google.com' }
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.1.4'
classpath 'com.google.gms:google-services:4.1.0'
}
}
回答9:
I have a also same problem.Change old version of FirebaseAuth to newer version. for me I change "com.google.firebase:firebase-auth:11.4.0" to "com.google.firebase:firebase-auth:11.8.0"
回答10:
As stated in the Google documentation, Add the latest version of the Google Service plugin (4.0.1 on 06/04/18). Hope this hepls!
buildscript {
// ...
dependencies {
// ...
classpath 'com.google.gms:google-services:4.0.1' // google-services plugin
}
}
`
回答11:
Do not mix 12 and 15, use this
implementation 'com.google.firebase:firebase-core:16.0.0'
implementation 'com.google.firebase:firebase-auth:16.0.1'
implementation 'com.google.firebase:firebase-messaging:17.0.0'
回答12:
Just Simply Add this two dependency to your pubspec.yml. this works for me.
firebase_messaging: ^5.0.1 firebase_core: ^0.3.0
回答13:
Use:
compile 'com.google.firebase:firebase-auth:11.0.4'
This works.
回答14:
You can easily solve this problem by getting the latest version of the Firebase Libraries for Android SDK.
You can get the latest library from https://firebase.google.com/docs/android/setup
Example:
Before:
implementation 'com.google.firebase:firebase-auth:10.6.0'
to
After:
implementation 'com.google.firebase:firebase-auth:16.0.4'
回答15:
Just make sure all the implementations of firebase you are using have the same version inside the dependencies in build.gradle (app).
回答16:
Same problem occurred with me. By updating library to latest one will resolve this problem.
After updating don't forget to do Sync project with gradle files.
来源：https://stackoverflow.com/questions/38073706/class-file-for-com-google-android-gms-internal-zzaja-not-found